polydystrophic oligophrenia

polydystrophic oligophrenia

(1) Mucopolysaccharidosis (MPS) III, Sanfilippo syndrome type A, B, C and D:
• MPS IIIA (OMIM:25290);
• MPS IIIB (OMIM:228920);
• MPS IIIC (OMIM 228930);
• MPS IIID (OMIM:228940). 
(2) Phenylketonuria (see there), OMIM:261600.